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A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms .
As of 2008, most states have enacted some sort of pedigree requirement and many have also required an epedigree. However, the existing epedigree requirements amount to little more than requiring that pharmaceutical supply chain companies be able to provide reports in formats such as pdf , text files or spreadsheets .
A genogram, also known as a family diagram, [1] [2] is a pictorial display of a person's position and ongoing relationships in their family's hereditary hierarchy. It goes beyond a traditional family tree by allowing the user to visualize social patterns and psychological factors that punctuate relationships, especially patterns that repeat over the generations.
The word pedigree is a corruption of the Anglo-Norman French pé de grue or "crane's foot", either because the typical lines and split lines (each split leading to different offspring of the one parent line) resemble the thin leg and foot of a crane [3] or because such a mark was used to denote succession in pedigree charts.
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The National Geographic Society's Genographic Project aims to map historical human migration patterns by collecting and analyzing DNA samples from over 100,000 people across five continents. The DNA Clans Genetic Ancestry Analysis measures a person's precise genetic connections to indigenous ethnic groups from around the world.
A genetic counsellor discussing a pedigree with a client. Genetic counseling is the process of investigating individuals and families affected by or at risk of genetic disorders to help them understand and adapt to the medical, psychological and familial implications of genetic contributions to disease.